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      12-15-2011, 11:03 PM   #8
BadassBeamer
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Drives: 2013 F30 335i M-Sport
Join Date: Oct 2011
Location: Cali

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Quote:
Originally Posted by Donnie-Bay View Post
I actually had the same loaner just a few days ago and was really trying to notice differences between the two engines, but honestly couldn't tell. The acceleration felt the same and I was trying through all gears. One thing I did notice was my n54 was a lot louder on cold startups than the n55 and I even unplugged the exhaust actuator from the trunk of the loaner. And my car is stock too.
This is kinda off topic but could the dealer see if I unplugged the actuator and if so, would it do anything to my warranty?
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